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iris [78.8K]
3 years ago
12

Round your answer to the nearest tenth if necessary. Use 3.14 for it.

Mathematics
1 answer:
aliina [53]3 years ago
6 0

Answer:

volume = 10,082.5 in³

Step-by-step explanation:

radius = 26/2 = 13

volume = πr²L = (3.14)(13²)(19) = 10,082.54 in³

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Please help! Ralph buys a computer for $675. The sales tax rate is 6%. How much did Ralph pay for the computer?
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2 years ago
In isosceles triangle ABC, AC=BC=20, the measure of angle A=68, and CD is the altitude to side AB. What is CD to the nearest 10t
antiseptic1488 [7]

Answer:

Step-by-step explanation:

Comment

The way the diagram looks when it is drawn is that you are going to need the sine function to solve for the side opposite which is CD.

Formula

Sin(A) = Sin(68 = opposite / hypotenuse     Substitute values.

Solution

sin(68) = altitude (side opposite) / 20       multiply both sides by 20

20*sin(68) = 20* altitude / 20                     substitute for sin(68)

20* 0.9272 = altitude

altitude = 18.5

Answer: 18.5 to the nearest tenth

3 0
1 year ago
Help ASAP <br> I don’t really understand this question
german
It’s C. ( 3 . -5 ), because the you want to look at where the two lines intersect. So you want to always look at the X - Axis first. And that’s on the 3. Now you want to look at the Y - Axis. And that’s on - 5. So you answer will be C. ( 3 . -5 )
4 0
3 years ago
Solve the proportion: 20/16 = x/80 question 19 options: 6.25 1600 100 160
Aloiza [94]
\dfrac{20}{16}=\dfrac{20:4}{16:4}=\dfrac{5}{4}\\\\\dfrac{5}{4}=\dfrac{x}{80}\ \ \ \ |cross\ multiply\\\\4x=5\cdot80\\\\4x=400\ \  \ \ |divide\ both\ sides\ by\ 4\\\\\boxed{x=100}
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3 years ago
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